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Finding the Fourth Proportional to 1,185,800.80, 1,776,076.80 and 975,848.80

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Solution

The fourth proportional to 1,185,800.80, 1,776,076.80 and 975,848.80 is: 1,461,613.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,800.80 : 1,776,076.80 = 975,848.80 : x
  2. Step 2: Convert to fraction form
    1,185,800.80/1,776,076.80 = 975,848.80/x
  3. Step 3: Cross multiply
    1,185,800.80x = 1,776,076.80 × 975,848.80
  4. Step 4: Simplify right side
    1,185,800.80x = 1,733,182,413,987.84
  5. Step 5: Solve for x
    x = 1,733,182,413,987.84/1,185,800.80
  6. Step 6: Final answer
    x = 1,461,613.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.